Choose the right septum for optimal performance and results
Various materials, thicknesses and hardnessess to suit your application
Pre-slit septa prevent a vacuum forming inside the vial
Red rubber/Polytetrafluoroethylene (PTFE): improved level of cleanliness compared to natural rubber. PTFE coating ensures compatibility.
Natural rubber/Ethylene Tetrafluoroethylene (TEF): features excellent resealing properties.
Silicone/PTFE: cleanest solution for contaminant free sample handling; autoclavable, too.
PTFE/Silicone/PTFE: PTFE laminated to both sides of high-purity silicone to prevent coring.